本装置供清洗貨車残余的粉状或块状货物以及車內粘着的污垢之用。 它的主要組成部分有集尘漏斗1(图1)和集尘器2(图2)。中間由通道3和4連接,而用管道5与旋风式清洗装置6相連接(图3)。后者再通过管道7与真空泵8連接。真空泵可以保証整个系統形成真空。 The device for cleaning truck residual powder or lumpy goods and the car’s dirt adhesion purposes. Its main components are dust hopper 1 (Figure 1) and dust collector 2 (Figure 2). The middle is connected by channels 3 and 4 and the pipe 5 is connected to the cyclone 6 (FIG. 3). The latter is connected to the vacuum pump 8 via a pipe 7. The vacuum pump ensures that the entire system is evacuated.